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I want to create a bootable USB drive for Chromium OS. I downloaded this image (direct link) and I want to put it on my 4 Gb USB. The IMG file is 2.6 Gb and my USB is 4 Gb, so there is space for the image.

When I run DD (dd if=ChromeOS.img of=/media/felixinx/0392-8145 bs=4M), I get dd: impossible d'ouvrir «/media/felixinx/0392-8145»: est un dossier as error (/media/felixinx/0392-8145 is a folder).

With Startup Disk Creator, I get an error : Impossible d'écrire l'image disque (/home/felixinx/Téléchargements/ChromeOS.img) sur le périphérique (/dev/sdb1). (Impossible to write image on the disk).

With sudo usb-creator-gtk, I get the same error, with a Gtk-Message: GtkDialog mapped without a transient parent. This is discouraged. message on command line. (Yay! First error message in english!).

I don't know why is don't work.

Thanks

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Your device is mounted. Your OS is using it, so it will not work correctly.

Also, you need to dd to a "/dev/xda" device, and not a mount point.

You will need to run:

sudo umount /media/felixinx/0392-8145

Then, run

blkid

to find out the device, maybe it will be /dev/sdb, so run:

sudo dd if=ChromeOS.img of=/dev/sdb bs=4M

Should work, if not, post the result. If you cannot unmount, just reboot, and don't open the file manager.

  • At the end, I have dd: erreur d'écriture de «/dev/sdb»: Aucun espace disponible sur le périphérique 490+0 enregistrements lus 489+0 enregistrements écrits 2054717440 octets (2,1 GB) copiés, 140,249 s, 14,7 MB/s It's said there is no place... but I the file is 2.1 Gb and my USB is 4 Gb. On the file manager, my USB is empty. – Félix Desjardins May 2 '15 at 17:38
  • I think you should try another thumbdrive... Firstly run mountand make sure, there is nothing mounted on the thumbdrive... – davidbaumann May 2 '15 at 18:02
  • Even if it's don't work, thanks! – Félix Desjardins May 2 '15 at 18:44
  • Don't run of=/dev/sdb1, you must run of=/dev/sdb. sdb1 would be a partition, sdb is the device. You could also run dd if=/dev/sdb of=image.img bs=4M, and post the result. If it stops after 2GiB, there must be something wrong... – davidbaumann May 2 '15 at 19:01

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